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1.7 Energy, work and power

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Question 23
a.

Describe how a hydroelectric power station generates electricity from water stored in a high-level reservoir.

[3]
b.

Apart from cost, state two advantages of generating electricity using a hydroelectric power station compared with using a coal-fired power station.

[2]
c.

Apart from cost, state two disadvantages of generating electricity using a hydroelectric power station compared with using a coal-fired power station.

[2]
Markscheme

1.7 Energy, work and power Questions

  1. IGCSE
  2. /Physics
  3. /1.7 Energy, work and power

533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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